四年级数学下小数加减混合简便运算

四年级数学下小数加减混合简便运算(11页)Good is good, but better carries it.精益求精，善益求善。54.4＋(1.33＋11.6) 48.66＋9.16＋26.34 5.23＋24.65＋4.35 2.19＋(34.81＋7.35) 16.62＋12.85＋13.15 28.17＋(24.27＋46.83) 41.6＋61.62＋19.38 19.26＋13.75＋18.74 35.53＋41.97＋1.4771.66＋86.35－13.35 77.04＋43.52－40.04 86.71＋62.16－1.16 83.67＋91.93－65.67 98.23＋91.64－52.64 50.76＋2.28－35.76 81.6＋85.21－31.21 98.62＋16.3－1.62 85.64＋97.14－83.14 0.38＋(12.62＋24.09) 15.44＋(39.56＋42.8) 18.7＋46.27＋38.3 32.98＋35.93＋60.07 32.23＋(13.54＋61.77) 66.41＋(26.59＋20.42) 19.98＋(16.02＋19.39) 36.75＋(39.25＋11.36) 34.31＋39.09＋48.6941.79＋2.39－24.79 17.17＋63.61－16.61 25.07＋94.94－7.07 41.81＋4.29－23.81 17.4＋78.12－14.12 48.71＋60.9－30.9 85.78＋52.48－11.78 93.34＋76.74－45.34 71.52＋82.41－18.52 12.64＋55.96＋38.04 5.53＋25.46＋5.54 6.98＋62.22＋1.78 14.2＋9.85＋8.8 15.94＋(23.06＋46.3) 41.74＋24.6＋20.4 21.41＋(30.59＋34.31) 49.37＋62.08＋26.92 13.13＋(56.87＋22.78) 5.51＋(44.02＋25.49)60.75＋23.78－17.75 74.77＋71.05－25.77 4.7＋93.96－7.96 91.74＋88.99－31.99 98.19＋5.92－8.19 45.04＋44.27－30.27 47.77＋66.01－42.01 52.45＋55.87－1.87 29.61＋40.68－9.68 19.22＋45.08＋28.78 39.02＋8.93＋7.98 25.05＋25.18＋45.82 43.57＋(43.42＋12.43) 2.79＋(12.21＋40.08) 36.22＋(28.02＋49.78) 55.4＋(50.85＋20.6) 43.03＋17.3＋37.7 10.85＋29.32＋32.1597.46＋21.78－28.46 66.46＋82.04－41.04 52.18＋73.08－29.08 98.05＋38.17－31.05 61.02＋91.69－7.02 65.35＋97.1－40.35 61.92＋57.39－35.92 72.67＋91.7－16.7 76.78＋41.05－11.058.55＋(67.45＋32.21) 38.21＋(19.47＋30.79) 32.1＋22.55＋56.9 49.74＋49.09＋27.26 5.2＋(37.8＋26.65) 48.98＋2.59＋31.02 13.85＋(35.52＋59.15) 45.51＋14.26＋42.49 9.55＋(50.24＋12.45)3.75＋80.78－22.78 84.08＋20.69－71.08 75.33＋49.68－25.33 48.88＋13.19－2.88 60.99＋64.76－1.76 60.85＋96.81－69.81 96.75＋20.55－6.55 38.49＋53.44－20.44 23.7＋84.11－51.1141.86＋24.81＋22.14 28....